exam Maths Puzzle Numerical Ability

If x = 3i is a root of the polynomial P(x) which has real coefficients, then what other root is guaranteed?

Read Solution (Total 0)

exam Other Question

A woman has an estate of $10,000. She leaves 2/5 to a charity. Of the remainder, 2/3 goes to her son. How much does her son get? help!

how would you work out 2- 4i over 1+ 3i